Home / 17,015.83-25,512.80-8,126.35

Finding the Fourth Proportional to 17,015.83, 25,512.80 and 8,126.35

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Solution

The fourth proportional to 17,015.83, 25,512.80 and 8,126.35 is: 12,184.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,015.83 : 25,512.80 = 8,126.35 : x
  2. Step 2: Convert to fraction form
    17,015.83/25,512.80 = 8,126.35/x
  3. Step 3: Cross multiply
    17,015.83x = 25,512.80 × 8,126.35
  4. Step 4: Simplify right side
    17,015.83x = 207,325,814.72
  5. Step 5: Solve for x
    x = 207,325,814.72/17,015.83
  6. Step 6: Final answer
    x = 12,184.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.